Achieving muscular fitness can help a person with all of the following except: A) Look firmer and trimmer
B) Reduces bone and muscle loss as you age
C) Better posture
D) Increase risk of injury

Group of genes that encode molecules found in all body cells, creating a biochemical “fingerprint” that serves as the “id” for cells so that they are marked as “self” a) deoxyribonucleic acid (dna) b) entry inhibitors c) major histocompatibility complex (mhc) d) non-nucleoside reverse transcription inhibitors (nnrtis)

Which of the following is not a fitness benefit of cycling a: very effective at burning fat b: provides an upper body workout c: provides an aerobic workout d: good exercise for out of shape people

The frequency in wich you perform certain exercise depends on the blank of the exercise